The Perth Collection replacement frosted flush mount glass shade can easily be used to replace the original glass shade on your fixture that may have been damaged over time. Compatible with SKU 578377. This fixture uses a 60-watt medium base bulb per shade. The shade is a traditional frosted glass cylinder, that measures 4.5-inch H x 15.5-inch W and features a 1-inch mounting post opening. The replacement frosted glass flush mount shade is an easy fixture mount. Designed and manufactured by , the trusted source for quality lighting, hardware, plumbing, kitchen, and bath products for every taste and budget.